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https://git.lyx.org/repos/lyx.git
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431 lines
10 KiB
C++
431 lines
10 KiB
C++
/**
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* \file InsetCaption.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetCaption.h"
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#include "InsetFloat.h"
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#include "InsetWrap.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "Counters.h"
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#include "Cursor.h"
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#include "Dimension.h"
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#include "Floating.h"
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#include "FloatList.h"
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#include "FuncRequest.h"
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#include "FuncStatus.h"
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#include "InsetList.h"
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#include "Language.h"
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#include "MetricsInfo.h"
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#include "output_latex.h"
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#include "output_xhtml.h"
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#include "OutputParams.h"
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#include "Paragraph.h"
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#include "TextClass.h"
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#include "TextMetrics.h"
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#include "TocBackend.h"
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#include "frontends/FontMetrics.h"
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#include "frontends/Painter.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include <sstream>
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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InsetCaption::InsetCaption(Buffer * buf, string const & type)
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: InsetText(buf, InsetText::PlainLayout), type_(type)
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{
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setAutoBreakRows(true);
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setDrawFrame(true);
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setFrameColor(Color_collapsableframe);
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}
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void InsetCaption::write(ostream & os) const
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{
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os << "Caption";
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if (!type_.empty()) {
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os << " "
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<< type_;
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}
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os << "\n";
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text().write(os);
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}
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docstring InsetCaption::layoutName() const
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{
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if (type_.empty())
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return from_ascii("Caption");
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return from_utf8("Caption:" + type_);
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}
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void InsetCaption::cursorPos(BufferView const & bv,
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CursorSlice const & sl, bool boundary, int & x, int & y) const
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{
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InsetText::cursorPos(bv, sl, boundary, x, y);
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x += labelwidth_;
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}
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void InsetCaption::setCustomLabel(docstring const & label)
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{
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if (!isAscii(label) || label.empty())
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// This must be a user defined layout. We cannot translate
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// this, since gettext accepts only ascii keys.
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custom_label_ = label;
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else
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custom_label_ = _(to_ascii(label));
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}
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void InsetCaption::addToToc(DocIterator const & cpit, bool output_active) const
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{
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if (floattype_.empty())
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return;
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DocIterator pit = cpit;
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pit.push_back(CursorSlice(const_cast<InsetCaption &>(*this)));
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Toc & toc = buffer().tocBackend().toc(floattype_);
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docstring str = full_label_;
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int length = output_active ? INT_MAX : TOC_ENTRY_LENGTH;
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text().forToc(str, length);
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toc.push_back(TocItem(pit, 0, str, output_active));
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// Proceed with the rest of the inset.
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InsetText::addToToc(cpit, output_active);
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}
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void InsetCaption::metrics(MetricsInfo & mi, Dimension & dim) const
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{
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FontInfo tmpfont = mi.base.font;
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mi.base.font = mi.base.bv->buffer().params().getFont().fontInfo();
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labelwidth_ = theFontMetrics(mi.base.font).width(full_label_);
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// add some space to separate the label from the inset text
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labelwidth_ += 2 * TEXT_TO_INSET_OFFSET;
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dim.wid = labelwidth_;
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Dimension textdim;
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// Correct for button and label width
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mi.base.textwidth -= dim.wid;
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InsetText::metrics(mi, textdim);
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mi.base.font = tmpfont;
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mi.base.textwidth += dim.wid;
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dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
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dim.asc = textdim.asc;
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dim.wid += textdim.wid;
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}
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void InsetCaption::drawBackground(PainterInfo & pi, int x, int y) const
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{
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TextMetrics & tm = pi.base.bv->textMetrics(&text());
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int const h = tm.height() + 2 * TEXT_TO_INSET_OFFSET;
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int const yy = y - TEXT_TO_INSET_OFFSET - tm.ascent();
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pi.pain.fillRectangle(x, yy, labelwidth_, h, pi.backgroundColor(this));
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}
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void InsetCaption::draw(PainterInfo & pi, int x, int y) const
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{
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// We must draw the label, we should get the label string
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// from the enclosing float inset.
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// The question is: Who should draw the label, the caption inset,
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// the text inset or the paragraph?
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// We should also draw the float number (Lgb)
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// Answer: the text inset (in buffer_funcs.cpp: setCaption).
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FontInfo tmpfont = pi.base.font;
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pi.base.font = pi.base.bv->buffer().params().getFont().fontInfo();
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pi.base.font.setColor(pi.textColor(pi.base.font.color()).baseColor);
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int const xx = x + TEXT_TO_INSET_OFFSET;
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pi.pain.text(xx, y, full_label_, pi.base.font);
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InsetText::draw(pi, x + labelwidth_, y);
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pi.base.font = tmpfont;
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}
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void InsetCaption::edit(Cursor & cur, bool front, EntryDirection entry_from)
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{
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cur.push(*this);
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InsetText::edit(cur, front, entry_from);
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}
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Inset * InsetCaption::editXY(Cursor & cur, int x, int y)
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{
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cur.push(*this);
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return InsetText::editXY(cur, x, y);
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}
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bool InsetCaption::insetAllowed(InsetCode code) const
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{
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switch (code) {
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// code that is not allowed in a caption
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case CAPTION_CODE:
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case FLOAT_CODE:
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case FOOT_CODE:
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case NEWPAGE_CODE:
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case MARGIN_CODE:
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case MATHMACRO_CODE:
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case TABULAR_CODE:
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case WRAP_CODE:
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return false;
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default:
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return InsetText::insetAllowed(code);
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}
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}
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void InsetCaption::doDispatch(Cursor & cur, FuncRequest & cmd)
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{
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switch (cmd.action()) {
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case LFUN_INSET_MODIFY: {
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string const first_arg = cmd.getArg(0);
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bool const change_type = first_arg == "changetype";
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if (change_type) {
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cur.recordUndoInset(ATOMIC_UNDO, this);
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type_ = cmd.getArg(1);
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cur.forceBufferUpdate();
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break;
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}
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}
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default:
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InsetText::doDispatch(cur, cmd);
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break;
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}
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}
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bool InsetCaption::getStatus(Cursor & cur, FuncRequest const & cmd,
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FuncStatus & status) const
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{
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switch (cmd.action()) {
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case LFUN_INSET_MODIFY: {
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string const first_arg = cmd.getArg(0);
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if (first_arg == "changetype") {
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string const type = cmd.getArg(1);
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status.setOnOff(type == type_);
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bool varia = type != "LongTableNoNumber";
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// check if the immediate parent inset allows caption variation
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if (cur.depth() > 1) {
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if (&cur[cur.depth() - 2].inset())
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varia = cur[cur.depth() - 2].inset().allowsCaptionVariation(type);
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}
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status.setEnabled(varia
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&& buffer().params().documentClass().hasInsetLayout(
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from_ascii("Caption:" + type)));
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return true;
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}
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return InsetText::getStatus(cur, cmd, status);
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}
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case LFUN_PARAGRAPH_BREAK:
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status.setEnabled(false);
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return true;
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case LFUN_INSET_TOGGLE:
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// pass back to owner
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cur.undispatched();
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return false;
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default:
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return InsetText::getStatus(cur, cmd, status);
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}
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}
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void InsetCaption::latex(otexstream & os,
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OutputParams const & runparams_in) const
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{
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if (runparams_in.inFloat == OutputParams::SUBFLOAT)
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// caption is output as an optional argument
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return;
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// This is a bit too simplistic to take advantage of
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// caption options we must add more later. (Lgb)
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// This code is currently only able to handle the simple
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// \caption{...}, later we will make it take advantage
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// of the one of the caption packages. (Lgb)
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OutputParams runparams = runparams_in;
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// FIXME: actually, it is moving only when there is no
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// optional argument.
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runparams.moving_arg = !runparams.inTableCell;
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InsetText::latex(os, runparams);
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runparams_in.encoding = runparams.encoding;
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}
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int InsetCaption::plaintext(odocstringstream & os,
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OutputParams const & runparams, size_t max_length) const
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{
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os << '[' << full_label_ << "\n";
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InsetText::plaintext(os, runparams, max_length);
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os << "\n]";
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return PLAINTEXT_NEWLINE + 1; // one char on a separate line
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}
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int InsetCaption::docbook(odocstream & os,
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OutputParams const & runparams) const
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{
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int ret;
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os << "<title>";
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ret = InsetText::docbook(os, runparams);
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os << "</title>\n";
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return ret;
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}
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docstring InsetCaption::xhtml(XHTMLStream & xs, OutputParams const & rp) const
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{
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if (rp.html_disable_captions)
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return docstring();
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InsetLayout const & il = getLayout();
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string const tag = il.htmltag();
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string attr = il.htmlattr();
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if (!type_.empty()) {
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string const our_class = "float-caption-" + type_;
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size_t const loc = attr.find("class='");
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if (loc != string::npos)
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attr.insert(loc + 1, our_class);
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}
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xs << html::StartTag(tag, attr);
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docstring def = getCaptionAsHTML(xs, rp);
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xs << html::EndTag(tag);
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return def;
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}
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void InsetCaption::getArgument(otexstream & os,
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OutputParams const & runparams) const
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{
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InsetLayout const & il = getLayout();
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if (!il.leftdelim().empty())
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os << il.leftdelim();
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OutputParams rp = runparams;
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if (isPassThru())
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rp.pass_thru = true;
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if (il.isNeedProtect())
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rp.moving_arg = true;
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rp.par_begin = 0;
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rp.par_end = paragraphs().size();
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// Output the contents of the inset
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latexParagraphs(buffer(), text(), os, rp);
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runparams.encoding = rp.encoding;
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if (!il.rightdelim().empty())
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os << il.rightdelim();
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}
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int InsetCaption::getCaptionAsPlaintext(odocstream & os,
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OutputParams const & runparams) const
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{
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os << full_label_ << ' ';
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odocstringstream ods;
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int const retval = InsetText::plaintext(ods, runparams);
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os << ods.str();
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return retval;
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}
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docstring InsetCaption::getCaptionAsHTML(XHTMLStream & xs,
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OutputParams const & runparams) const
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{
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xs << full_label_ << ' ';
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InsetText::XHTMLOptions const opts =
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InsetText::WriteLabel | InsetText::WriteInnerTag;
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return InsetText::insetAsXHTML(xs, runparams, opts);
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}
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void InsetCaption::updateBuffer(ParIterator const & it, UpdateType utype)
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{
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Buffer const & master = *buffer().masterBuffer();
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DocumentClass const & tclass = master.params().documentClass();
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string const & lang = it.paragraph().getParLanguage(master.params())->code();
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Counters & cnts = tclass.counters();
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string const & type = cnts.current_float();
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if (utype == OutputUpdate) {
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// counters are local to the caption
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cnts.saveLastCounter();
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}
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// Memorize type for addToToc().
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floattype_ = type;
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if (type.empty())
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full_label_ = master.B_("Senseless!!! ");
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else {
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// FIXME: life would be _much_ simpler if listings was
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// listed in Floating.
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docstring name;
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if (type == "listing")
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name = master.B_("Listing");
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else
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name = master.B_(tclass.floats().getType(type).name());
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docstring counter = from_utf8(type);
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if (cnts.isSubfloat()) {
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// only standard captions allowed in subfloats
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type_ = "Standard";
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counter = "sub-" + from_utf8(type);
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name = bformat(_("Sub-%1$s"),
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master.B_(tclass.floats().getType(type).name()));
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}
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docstring sec;
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if (cnts.hasCounter(counter)) {
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cnts.step(counter, utype);
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sec = cnts.theCounter(counter, lang);
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}
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if (getLayout().labelstring() != master.B_("standard")) {
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if (!sec.empty())
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sec += from_ascii(" ");
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sec += bformat(from_ascii("(%1$s)"), getLayout().labelstring());
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}
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if (!sec.empty())
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full_label_ = bformat(from_ascii("%1$s %2$s:"), name, sec);
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else
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full_label_ = bformat(from_ascii("%1$s #:"), name);
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}
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// Do the real work now.
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InsetText::updateBuffer(it, utype);
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if (utype == OutputUpdate)
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cnts.restoreLastCounter();
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}
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string InsetCaption::contextMenuName() const
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{
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return "context-caption";
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}
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} // namespace lyx
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